Choose Options Quick view Wise Grip comfort grip Wise Grip MSRP: Now: $25.00 Was: The Wise Grip comfort grip for trombone players! Designed by Jay Wise and Walter Bircher, the Wise Grip offers an ergonomic fit for trombone players. MSRP: Now: $25.00 Was: Choose Options Quick view Qty in Cart: 0 Price: MSRP: Now: $25.00 Was: Subtotal: Choose Options